Personalize your Fitbit Blaze tracker with an accessory band and frame made from premium materials like soft, genuine leather. Tracker not included. The Fitbit Blaze leather band is made of soft, genuine leather and includes a premium stainless steel frame and buckle. Leather bands are not sweat or water-resistant. We recommend limited to no contact with moisture to reduce discoloration/damage to the band. Leather bands are not intended for high intensity workouts. FB159LBBKL